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How many moles are in 2.3 grams of phosphorus

Please round to significant number i got .07 after round it to the significant number lease correct me i'm wrong

Respuesta :

Willchemistry
Molar mass of  phosphorus (p) : 30.9 g/mol

1 mole P ----------- 30.9 g
x mole -------------- 2.3 g

30.9 * x = 2.3* 1

30.9 x = 2.3

x = 2.3 / 30.9

x = 0.07 moles